Question

Select the equation of the graph line above. (A) y = x + 5 (B) y = 3x + 5 (C) y = x - 5 (D) y = 3x - 5

Answer 1

Answer: (D)
`y=3x-5`

Explanation:

Using the points (0, -5) and (2, 1), the slope of the line is
`(-5-1)/(0-2)=3`.

Since the y-intercept is -5, the equation is
`y=3x-5`.